What We Do


Delivering Proven, Cost Effective Protection for Your Business

Professional, proven and always helpful, SDA offers businesses a trusted local resource with a long heritage of providing great safety and security value with a minimum of hassle. We are true commercial security system management experts, delivering leading-edge solutions and security system installation with the personal touch that defines our role as a trusted partner and respected member of the communities we serve. Learn more about our many business security solutions

Protect Your Business ›

Comprehensive security and safety solutions for Southern California’s businesses.

Monitor Your Security System ›

“Always Alert” 24x7x365 vigilance to ensure the highest level of protection.

Design Custom + Complex Systems ›

We specialize in delivering solutions that meet specific security needs.

Existing System Takeover ›

Proven protection, great service and cost savings using installed equipment.

Mobile + Web Solutions ›

21st Century solutions for your always on the go lifestyle.